[mythtv-users] Ahh - Evil xorg and modelines
Damian Surr
damian at gingermagic.co.uk
Wed Jun 6 10:59:05 UTC 2007
Unfortunately, that's the same modeline generator I've spent most of my
time with, and nothing I do in there seems to work at all.
Off to check my logs.
Damian
Damian Surr wrote:
> I'm conecting to the projector via a DVI-D to DVI-D cable and using a
> nVidia5200 card.
>
> I'll try your link now.
>
> Thanks
> Damian
>
> Steve Smith wrote:
>
>> How are you feeding the projector? (Svideo, HDMI etc etc.)
>> What vid card are you using?
>>
>> From the table you've given:
>>
>> Timing chart:
>> Supported timing for PC input
>> Horizontal Vertical Pixel
>> Resolution Frequency Frequency Frequency Mode
>> (kHz) (Hz) (MHz)
>> 48.363 60.004 65.000 XGA_60
>> 56.476 70.069 75.000 XGA_70
>> 1024 x 768 60.023 75.029 78.750 XGA_75
>> 68.667 84.997 94.500 XGA_85
>>
>> I can't deduce working modelines but:
>>
>> Pixel frequency= dot clock = the first number in the modeline
>> The horiz freq and vert freq will be what the thing is running at in
>> those modes. In the site below these are called "horizontal sync rate"
>> and "refresh rate". Try getting the XGA_75 line working....
>>
>> Modelin generator page:
>> http://xtiming.sourceforge.net/cgi-bin/xtiming.pl
>>
>> Cheers
>>
>> Steve
>>
>> On 06/06/07, *William Munson* <william_munson at bellsouth.net
>> <mailto:william_munson at bellsouth.net>> wrote:
>>
>> Damian Surr wrote:
>> > I'm ripping my hair out here. Trying every modeline under the
>> sun but
>> > can't get the screen to put up anything other than the default
>> 800x600.
>> >
>> > Could someone tell me how to at least see whatever error
>> messages may be
>> > being given? All I know at the moment is that everytime a
>> restart X or
>> > reboot it looks exactly the same still, so I try one other
>> alternative
>> > way of adjusting the modeline etc. I'm working blind though as I
>> don't
>> > know how to see any error output.
>> >
>> > Cheers
>> > Damian
>> >
>>
>> A couple of others have given you the log paths. Possible reason for
>> your 800x600 limit, outputting to S-video or composite. That is
>> the max
>> for those outputs. HDMI or standard VGA output could be reading
>> the info
>> provided by the monitor which is telling it that 800x600 is the max.
>>
>>
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